Indirect Lookup Relationship |
External Lookup Relationship |
This type is basically when Standard/ Custom object as a parent and an External object as a child.
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This type is basically when an External object as a parent and external/ standard/ custom object as a child.
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Only objects that have a custom field with the External ID and Unique attributes are available as parent objects in indirect lookup relationships.
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The External ID standard field as parent field matching
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Use Case:
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Use Case :
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When the external data doesn’t include Salesforce record IDs.
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Use an external lookup relationship when a parent is an external object.
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Use the External Id as a link between External & SFDC object.
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Ex:
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Ex:
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Account record (parent standard object) displays a related list of SAP sales orders (child external object) with matching customer IDs that aren’t Salesforce IDs.
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External product catalog item (parent external object) displays a related list of support cases (child standard object)
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